Extension cover for toggle switch levers



FIG. 1 is a perspective view of the extension cover for toggle switch levers, showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear or side elevational view;

FIG. 4 is a top plan view; and,

FIG. 5 is a bottom plan view. 

The ornamental design for an extension cover for toggle switch levers, as shown and described. 